Question

Match the terms in column I with those in column II.

	Column I		Column II
A.	Cocci	i.	true bacteria
B.	Eubacteria	ii.	archaebacteria
C.	Chemoautotrophs	iii.	spherical shape
D.	Halophite	iv.	iron bacteria
		v.	rod shaped

Answer 1

a - (iii), b - (i), c - (iv), d - (ii)

Cocci are spherical shaped bacteria. Example of cocci include Staphylococcus aureus. Eubacteria are also called as true bacteria. These are prokaryotic (lacking nucleus) cells. Chemoautotrophs use inorganic energy sources such as hydrogen sulfide, elemental sulfur, ferrous iron, molecular hydrogen and ammonia to obtain energy. Archaebacteria are single-cell prokaryotic organism. There are three groups of archaebacteria, namely methanogens, halophiles and thermophiles.